Wow, that takes me back. This was a winter trip. In our planning we expected to find a number of crevasses covered with snow bridges. I recall we devised some lightweight flags to highlight danger areas for our return trip back down the mountain.
"As an adolescent I aspired to lasting fame, I craved factual certainty, and I thirsted for a meaningful vision of human life - so I became a scientist. This is like becoming an archbishop so you can meet girls."